Mike's Workshop Manuals
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Chevrolet
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2004
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Avalanche 2500
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - 8.1L (Introduction)
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Schematic and Routing Diagrams
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Emission Hose Routing Diagram
Emission Hose Routing Diagram
Fig 1: Vacuum Hose Routing
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
1
Fuel Pressure Dampener
2
EVAP Purge Pipe
3
EVAP Purge Solenoid Valve
4
Throttle Body